Footwear upper



FIG. 1 is a front perspective view of a footwear upper showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is an opposite side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The even dashed broken lines at the sole and the interior of the footwear form no part of the claimed design. The other even dashed broken lines in the figure views depict stitching, which does form a part of the claimed design. 

CLAIM The ornamental design for a footwear upper, as shown and described. 